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667887-88-9

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667887-88-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 667887-88-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,7,8,8 and 7 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 667887-88:
(8*6)+(7*6)+(6*7)+(5*8)+(4*8)+(3*7)+(2*8)+(1*8)=249
249 % 10 = 9
So 667887-88-9 is a valid CAS Registry Number.

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